/*                                                                                                                                                                                                                                                       
 * Licensed to the Apache Software Foundation (ASF) under one or more                                                                                                                                                                                    
 * contributor license agreements.  See the NOTICE file distributed with                                                                                                                                                                                 
 * this work for additional information regarding copyright ownership.                                                                                                                                                                                   
 * The ASF licenses this file to You under the Apache License, Version 2.0                                                                                                                                                                               
 * (the "License"); you may not use this file except in compliance with                                                                                                                                                                                  
 * the License.  You may obtain a copy of the License at                                                                                                                                                                                                 
 *                                                                                                                                                                                                                                                       
 *      http://www.apache.org/licenses/LICENSE-2.0                                                                                                                                                                                                       
 *                                                                                                                                                                                                                                                       
 * Unless required by applicable law or agreed to in writing, software                                                                                                                                                                                   
 * distributed under the License is distributed on an "AS IS" BASIS,                                                                                                                                                                                     
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.                                                                                                                                                                              
 * See the License for the specific language governing permissions and                                                                                                                                                                                   
 * limitations under the License.                                                                                                                                                                                                                        
 */                                                                                                                                                                                                                                                      
                                                                                                                                                                                                                                                         
package org.apache.commons.net;                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                         
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
                                                                                                                                                                                                                                                         
/***                                                                                                                                                                                                                                                     
 * DefaultDatagramSocketFactory implements the DatagramSocketFactory                                                                                                                                                                                     
 * interface by simply wrapping the java.net.DatagramSocket                                                                                                                                                                                              
 * constructors.  It is the default DatagramSocketFactory used by                                                                                                                                                                                        
 * {@link org.apache.commons.net.DatagramSocketClient}                                                                                                                                                                                                   
 *  implementations.                                                                                                                                                                                                                                     
 * <p>                                                                                                                                                                                                                                                   
 * <p>                                                                                                                                                                                                                                                   
 * @see DatagramSocketFactory                                                                                                                                                                                                                            
 * @see DatagramSocketClient                                                                                                                                                                                                                             
 * @see DatagramSocketClient#setDatagramSocketFactory                                                                                                                                                                                                    
 ***/                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                         
public class DefaultDatagramSocketFactory implements DatagramSocketFactory                                                                                                                                                                               
{                                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                         
    /***                                                                                                                                                                                                                                                 
     * Creates a DatagramSocket on the local host at the first available port.                                                                                                                                                                           
     * <p>                                                                                                                                                                                                                                               
     * @exception SocketException If the socket could not be created.                                                                                                                                                                                    
     ***/                                                                                                                                                                                                                                                
    public DatagramSocket createDatagramSocket() throws SocketException                                                                                                                                                                                  
    {                                                                                                                                                                                                                                                    
        return new DatagramSocket();                                                                                                                                                                                                                     
    }                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                         
    /***                                                                                                                                                                                                                                                 
     * Creates a DatagramSocket on the local host at a specified port.                                                                                                                                                                                   
     * <p>                                                                                                                                                                                                                                               
     * @param port The port to use for the socket.                                                                                                                                                                                                       
     * @exception SocketException If the socket could not be created.                                                                                                                                                                                    
     ***/                                                                                                                                                                                                                                                
    public DatagramSocket createDatagramSocket(int port) throws SocketException                                                                                                                                                                          
    {                                                                                                                                                                                                                                                    
        return new DatagramSocket(port);                                                                                                                                                                                                                 
    }                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                         
    /***                                                                                                                                                                                                                                                 
     * Creates a DatagramSocket at the specified address on the local host                                                                                                                                                                               
     * at a specified port.                                                                                                                                                                                                                              
     * <p>                                                                                                                                                                                                                                               
     * @param port The port to use for the socket.                                                                                                                                                                                                       
     * @param laddr  The local address to use.                                                                                                                                                                                                           
     * @exception SocketException If the socket could not be created.                                                                                                                                                                                    
     ***/                                                                                                                                                                                                                                                
    public DatagramSocket createDatagramSocket(int port, InetAddress laddr)                                                                                                                                                                              
    throws SocketException                                                                                                                                                                                                                               
    {                                                                                                                                                                                                                                                    
        return new DatagramSocket(port, laddr);                                                                                                                                                                                                          
    }                                                                                                                                                                                                                                                    
}                                                                                                                                                                                                                                                        
